package servlet;

import pojo.User;
import service.UserService;
import service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(urlPatterns = "/update")
public class UpdateUserServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req,resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //处理乱码问题
        req.setCharacterEncoding("UTF-8");
        //拿到页面传递的参数
        String sid=req.getParameter("id");
        Integer id=Integer.parseInt(sid);
        String name=req.getParameter("name");
        String pass=req.getParameter("pass");
        UserService userService=new UserServiceImpl();
        int result=userService.updateUser(new User(id,name,pass));
        if(result>0){
            resp.sendRedirect("user");//重定向
        }else{
            resp.sendRedirect("addUser.jsp");
        }
    }
}
